We’re looking for a skilled VOIP network engineer with experience in SIP and session border controllers (SBC) ,to join a dynamic team driving transformation in enterprise telephony.

This is a hybrid role combining traditional voice engineering with a modern DevOps mindset.

Key Responsibilities:

Build and support highly available telephony solutions Develop scripts, tools, and APIs to improve SIP routing, call flows, and automation Integrate telephony with monitoring platforms like Grafana and ThousandEyes Collaborate with carriers to support SIP infrastructure and hybrid voice networks Contribute to hybrid cloud telephony solutions across UCaaS and CCaaS platforms Troubleshoot and analyse root causes of service disruptions, with a security-first mindset

Essential Skills & Experience:

Strong knowledge of Session Initiation Protocol (SIP) and SBC technologies Hands-on experience with SBCs, ARM/ECB, and backend management tools Proficiency in Python, JavaScript, HTML/CSS, or Java/Kotlin Working knowledge of networking (routers, switches, firewalls, SASE) – Network+ or CCNA a plus Experience in writing detailed documentation and collaborating across technical teams Self-starter with a proactive, solutions-focused approach

*Rates depend on experience and client requirements

Job InformationJob Reference: DBSIPSalary: £280 - £290 per day + Inside IR35 /Hybrid 3 office days PW Salary per: dayJob Duration: 1 year Rolling Job Start Date: ASAPJob Industries: TelecomsJob Locations: East SussexJob Types: Contract